CVE-2026-20115 Information disclosure in Cisco IOS XE Software
Remote attackers can view sensitive device configuration data via on-path attacks due to insecure tunneling in Cisco IOS XE for Meraki.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-20115?
CVE-2026-20115 is a medium-severity vulnerability in Cisco IOS XE Software, published on 25 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability in Cisco IOS XE Software for Cisco Meraki could allow a remote, unauthenticated attacker to view confidential device information. This vulnerability is due to a device configuration upload being performed over an insecure tunnel. An attacker could exploit this vulnerability by conducting an on-path attack between the affected device and the Cisco Meraki Dashboard. A successful exploit could allow the attacker to view sensitive device configuration information.
Weakness: CWE-319
Which versions are affected by CVE-2026-20115?
How do I fix CVE-2026-20115?
No fix has been published for CVE-2026-20115 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-20115 being exploited?
There is no known exploitation of CVE-2026-20115 in the wild and no public exploit code.
Sources
Also known as GHSA-xm4h-9vf3-j26j.